Diseases

NPC responds to latest PEI potato wart find
On Nov. 2, Canadian media reported on another potato wart find on Prince Edward Island (PEI), Canada. This latest find reinforces USDA’s conclusi... more »
Michigan Dept. of Agriculture gets bacterial ring rot testing approval for seed potato export to Canada
In October 2022, the Michigan Department of Agriculture and Rural Development’s (MDARD) Plant Pathology Laboratory became one of nine laboratories n... more »

New UI Extension bulletin focuses on devastating potato disease, bacterial ring rot
University of Idaho (UI) Extension has published a new bulletin to help potato farmers recognize the symptoms of bacterial rot and protect their opera... more »
APHIS posts new Pale Cyst Nematode Eradication Program report
APHIS’ Plant Protection and Quarantine (PPQ) Pale Cyst Nematode (PCN) Eradication Program in Idaho has posted its 2022 third quarter report (July 1... more »
APHIS updates the golden nematode regulated area in Suffolk County, New York
Effective immediately, the USDA Animal and Plant Health Inspection Service (APHIS) is removing 11,648.25 acres from the golden nematode (GN) regulated... more »

USDA report on PEI: Extent of potato wart crisis likely larger, current mitigation insufficient
On October 14, USDA’s Animal Plant Health Inspection Service (APHIS) released a comprehensive report on the current status of the potato wart crisis... more »
U of I researchers using nightshade genes to develop nematode-resistant potatoes
University of Idaho (U of I) researchers are introducing into potatoes genes from a plant in the nightshade family, seeking to develop spuds that ... more »
EPA proposes cancelation of PCNB
The EPA released a Proposed Final Decision that would result in the cancellation of all registered uses of pentachloroitrobenzene, or PCNB, to address... more »
Potato late blight confirmed in three additional commercial Michigan fields
Symptoms were detected in fields on Sept. 13 and 14. Active sporulation was observed, however, all infected plants were limited to a small area at the... more »

Can wild potato relatives help tame zebra chip disease?
A new study led by Texas A&M AgriLife researchers has revealed some resistance to zebra chip disease among certain wild species of potato. Th... more »